# import launch
# import os
# import pkg_resources
# from typing import Tuple, Optional
#
# req_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), "requirements.txt")
#
#
# def comparable_version(version: str) -> Tuple:
#     return tuple(version.split('.'))
#
#
# def get_installed_version(package: str) -> Optional[str]:
#     try:
#         return pkg_resources.get_distribution(package).version
#     except Exception:
#         return None
#
#
# with open(req_file) as file:
#     for package in file:
#         try:
#             package = package.strip()
#             if '==' in package:
#                 package_name, package_version = package.split('==')
#                 installed_version = get_installed_version(package_name)
#                 if installed_version != package_version:
#                     launch.run_pip(f"install -U {package}",
#                                    f"sd-webui-controlnet requirement: changing {package_name} version from {installed_version} to {package_version}")
#             elif '>=' in package:
#                 package_name, package_version = package.split('>=')
#                 installed_version = get_installed_version(package_name)
#                 if not installed_version or comparable_version(installed_version) < comparable_version(package_version):
#                     launch.run_pip(f"install -U {package}",
#                                    f"sd-webui-controlnet requirement: changing {package_name} version from {installed_version} to {package_version}")
#             elif not launch.is_installed(package):
#                 launch.run_pip(f"install {package}", f"sd-webui-controlnet requirement: {package}")
#         except Exception as e:
#             print(e)
#             print(f'Warning: Failed to install {package}, some preprocessors may not work.')
